Sony DHC-AZ77DBT / HCD-AZ77DBT Service Manual ▷ View online
HCD-AZ77DBT
25
TEST DISC LIST
Use the following test disc on test mode.
YEDS-18 (CD)
Use the following test disc on test mode.
YEDS-18 (CD)
: PART No. 3-702-101-01
PATD-012 (CD)
: PART No. 4-225-203-01
HLX-503 (DVD-SL) (NTSC) : PART No. J-6090-069-A
HLX-504 (DVD-SL) (NTSC) : PART No. J-6090-088-A
HLX-506 (DVD-SL) (PAL)
HLX-504 (DVD-SL) (NTSC) : PART No. J-6090-088-A
HLX-506 (DVD-SL) (PAL)
: PART No. J-6090-077-A
HLX-501 (DVD-DL) (NTSC) : PART No. J-6090-071-A
HLX-505 (DVD-DL) (NTSC) : PART No. J-6090-089-A
HLX-507 (DVD-DL) (PAL) : PART No. J-6090-078-A
HLX-505 (DVD-DL) (NTSC) : PART No. J-6090-089-A
HLX-507 (DVD-DL) (PAL) : PART No. J-6090-078-A
Note: Do not use excepting test disc for DVD.
1. DVD SERVICE MODE GENERAL DESCRIPTION
This mode let you make diagnosis and adjustment easily by using
the remote commander and the TV screen. The instructions, diag-
nostic results, etc. are given on the on-screen display.
This mode let you make diagnosis and adjustment easily by using
the remote commander and the TV screen. The instructions, diag-
nostic results, etc. are given on the on-screen display.
2. ENTERING DVD SERVICE MODE
Procedure:
1. Press the [
Procedure:
1. Press the [
?
/
1
] button to turn on the system.
2. Touch the [DVD] sensor to select the “DVD”
3. Press the [
3. Press the [
Z
] button and touch two sensors of [
x
] and
[VOLUME +] simultaneously.
4. The message “SERVICE IN” appears on the fl uorescent in-
dicator tube and top menu of the Remocon Diagnosis Menu
appears on the on-screen display on the TV screen as follows.
The model name, IF-con version and Syscon version are dis-
played at the bottom of the on-screen display.
appears on the on-screen display on the TV screen as follows.
The model name, IF-con version and Syscon version are dis-
played at the bottom of the on-screen display.
Drive Manual Operation
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
Model Name
:ARX4DM_xx
IF-con:Ver.xx.xx(xxxx)
Syscon:Ver.x.xxx
Syscon:Ver.x.xxx
5. To execute each function, press its number by using numeric
button on the remote commander.
6. To release from this mode, press the [
?
/
1
] button to turn off the
system.
DVD SECTION
3. EXECUTING IOP MEASUREMENT
In order to execute IOP measurement, the following standard pro-
cedures must be followed.
Procedure:
1. From the top menu of Remocon Diagnosis Menu, select “2.
In order to execute IOP measurement, the following standard pro-
cedures must be followed.
Procedure:
1. From the top menu of Remocon Diagnosis Menu, select “2.
Drive Manual Operation” by pressing the [2] button on the
remote commander. The following screen appears on the on-
screen display
remote commander. The following screen appears on the on-
screen display
Remocon Diagnosis Menu
1. Servo Control
2. Track/Layer Jump
3. Manual Adjustment
4. Tray Aging Mode
5. MIRR time Adjust
0. Return to Top Menu
2. Track/Layer Jump
3. Manual Adjustment
4. Tray Aging Mode
5. MIRR time Adjust
0. Return to Top Menu
2. Select “3. Manual Adjustment” by pressing the [3] button on
the remote commander. The following screen appears on the
on-screen display.
on-screen display.
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
V v Change Value
[RETURN]Return to previous menu
3. Select “6. Iop:” by pressing [6] button on the remote com-
mander.
4. Wait until a hexadecimal number appear in the on-screen dis-
play as below.
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop: 5D
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop: 5D
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
V v Change Value
[RETURN]Return to previous menu
HCD-AZ77DBT
26
5. Convert data from hexadecimal to decimal by using conver-
sion table.
6. Please fi nd the label on the rear of the BU (Base Unit). The
default IOP value is written in the label.
7. Subtract between these two values.
8. If the value is smaller than 93 (decimal), then it is OK. How-
8. If the value is smaller than 93 (decimal), then it is OK. How-
ever if the value is higher than 93, then BU (base unit) is defec-
tive and need to be change.
tive and need to be change.
9. Press the [
O
RETURN] button on the remote commander to
return to previous menu.
10. Press the [0] button on the remote commander to return to the
top menu of Remocon Diagnosis Menu.
11. Press the [
?
/
1
] button to turn off the system.
4. CHECKING EMERGENCY HISTORY
To check the emergency history, please follow the following pro-
cedure.
Procedure:
1. From the top menu of Remocon Diagnosis Menu, select “3.
To check the emergency history, please follow the following pro-
cedure.
Procedure:
1. From the top menu of Remocon Diagnosis Menu, select “3.
Emergency History” by pressing the [3] button on the remote
commander. The following screen appears on the on-screen
display.
commander. The following screen appears on the on-screen
display.
Emg. History Check
Laser Hours CD 999h 59min
DVD 999h 59min
DVD 999h 59min
01. 01 05 04 04 00 92 46 00
00 00 00 00 00 00 23 45
00 00 00 00 00 00 23 45
02. 02 02 01 01 00 A9 4B 00
00 00 00 00 00 00 23 45
00 00 00 00 00 00 23 45
[Next]Next page [Prev]Prev page
[0]Return to Top Menu
[0]Return to Top Menu
2. You can check the total time when the laser is turned on during
playback of DVD and CD from the above menu. The maxi-
mum time, which can be displayed are 999h 59min.
mum time, which can be displayed are 999h 59min.
3. You can check the error code of latest 10 emergency history
from the above menu. To view the previous or next page of
emergency history, press the [
emergency history, press the [
.
] or [
>
] button on the re-
mote commander. The error code consists of three kinds of
error codes.
error codes.
A. Error code
Example of Error code
01. 01 05 04 04 00 92 46 00
00 00 00 00 00 00 23 45
00 00 00 00 00 00 23 45
The meaning of error code is as below:
01: Communication error (No reply from syscon)
02: Syscon hung up
03: Power OFF request when syscon hung up
19: Thermal shutdown
24: MoveSledHome error
25: Mechanical move error (5 changer)
26: Mechanical move stack error
30: DC motor adjustment error
31: DPD offset adjustment error
32: TE balance adjustment error
33. TE sensor adjustment error
34. TE loop gain adjustment error
35. FE loop gain adjustment error
01: Communication error (No reply from syscon)
02: Syscon hung up
03: Power OFF request when syscon hung up
19: Thermal shutdown
24: MoveSledHome error
25: Mechanical move error (5 changer)
26: Mechanical move stack error
30: DC motor adjustment error
31: DPD offset adjustment error
32: TE balance adjustment error
33. TE sensor adjustment error
34. TE loop gain adjustment error
35. FE loop gain adjustment error
36. Bad jitter after adjustment
40. Focus NG
42. Focus layer jump NG
52. Open kick spindle error
51: Spindle stop error
60: Focus on error
61: Seek fail error
62: Read Q data/ID error
70: Lead in data read fail
71: TOC read time out (CD)
80: Can’t buffering
81: Unknown media type
40. Focus NG
42. Focus layer jump NG
52. Open kick spindle error
51: Spindle stop error
60: Focus on error
61: Seek fail error
62: Read Q data/ID error
70: Lead in data read fail
71: TOC read time out (CD)
80: Can’t buffering
81: Unknown media type
B. Parameter of error code
This is the detail of error code.
This is the detail of error code.
Example of Error code
01. 01 05 04 04 00 92 46 00
00 00 00 00 00 00 23 45
00 00 00 00 00 00 23 45
C. Time of error code
This is the laser time when an error occurred.
This is the laser time when an error occurred.
Example of Error code
01. 01 05 04 04 00 92 46 00
00 00 00 00 00 00 23 45
00 00 00 00 00 00 23 45
To Clear the Laser Hour
Press the [ DISPLAY] button on the remote commander and
then press the [CLEAR] button on the remote commander. The
data for both CD and DVD data are reset.
Press the [ DISPLAY] button on the remote commander and
then press the [CLEAR] button on the remote commander. The
data for both CD and DVD data are reset.
Emg. History Check
Laser Hours CD 0h 0min
DVD 0h 0min
DVD 0h 0min
01. 01 05 04 04 00 92 46 00
00 00 00 00 00 00 23 45
00 00 00 00 00 00 23 45
02. 02 02 01 01 00 A9 4B 00
00 00 00 00 00 00 23 45
00 00 00 00 00 00 23 45
[Next]Next page [Prev]Prev page
[0]Return to Top Menu
[0]Return to Top Menu
To Clear the Emergency History
Press the [DVD TOP MENU] button on the remote commander
and then press the [CLEAR] button on the remote commander. The
error code for all emergency history would be reset.
Press the [DVD TOP MENU] button on the remote commander
and then press the [CLEAR] button on the remote commander. The
error code for all emergency history would be reset.
Emg. History Check
Laser Hours CD 999h 59min
DVD 999h 59min
DVD 999h 59min
01. 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
02. 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
[Next]Next page [Prev]Prev page
[0]Return to Top Menu
[0]Return to Top Menu
HCD-AZ77DBT
27
To Clear the Initialize Setup Data
Press [DVD MENU] button and then press [CLEAR] button on the
remote commander.
Press [DVD MENU] button and then press [CLEAR] button on the
remote commander.
Emg. History Check
Laser Hours CD 999h 59min
DVD 999h 59min
DVD 999h 59min
initialize setup data...
[Next]Next page [Prev]Prev page
[0]Return to Top Menu
[0]Return to Top Menu
To Return to the Top Menu of Remocon Diagnosis
Menu
Press the [0] button on the remote commander.
Menu
Press the [0] button on the remote commander.
5. CHECKING VERSION INFORMATION
To check the version information, please follow the following pro-
cedure.
Procedure:
1. From the top menu of Remocon Diagnosis Menu, select “4.
To check the version information, please follow the following pro-
cedure.
Procedure:
1. From the top menu of Remocon Diagnosis Menu, select “4.
Version Information” by pressing the [4] button on the remote
commander. The following screen appears on the on-screen
display.
commander. The following screen appears on the on-screen
display.
Version information
Firm(Main): Ver. X.XXX
Firm(Sub): XX.XX
RISC: XXXXXX
8032: XXXXXX
Audio DSP: XX.XX.XX.XX
Servo DSP: XX.XX.XX.XX
Firm(Sub): XX.XX
RISC: XXXXXX
8032: XXXXXX
Audio DSP: XX.XX.XX.XX
Servo DSP: XX.XX.XX.XX
[0]Return to Top Menu
2. To return to the top menu of Remocon Diagnosis Menu, press
the [0] on the remote commander.
SECTION 5
MECHANICAL ADJUSTMENTS
PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened
1. Clean the following parts with a denatured-alcohol-moistened
swab :
record/playback head
pinch roller
erase head
rubber belts
capstan
idlers
2. Demagnetize the record/playback head with a head demagne-
tizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, appiy suitable locking compound to the
4. After the adjustments, appiy suitable locking compound to the
parts adjusted.
5. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
• Torque
Measurement
Mode
Torque Meter
Meter Reading
FWD
CQ-102C
3.06 N • m to 6.96 N • m
31 to 71 g • cm
(0.43 – 0.98 oz • inch)
FWD
Back Tension
Back Tension
CQ-102C
0.19 N • m to 0.58 N • m
2 to 6 g • cm
(0.02 – 0.08 oz • inch)
REV
CQ-102RC
3.06 N • m to 6.96 N • m
31 to 71 g • cm
(0.43 – 0.98 oz • inch)
REV
Back Tension
Back Tension
CQ-102RC
0.19 N • m to 0.58 N • m
2 to 6 g • cm
(0.02 – 0.08 oz • inch)
FF/REW
CQ-201B
6.96 N • m to14.02 N • m
71 to 143 g • cm
(0.98 – 1.99 oz • inch)
FWD Tension
CQ-403A
9.80 N • m
100 g or more
(3.53 oz or more)
REV Tension
CQ-403R
9.80 N • m
100 g or more
(3.53 oz or more)
HCD-AZ77DBT
28
SECTION 6
ELECTRICAL ADJUSTMENTS
1. Demagnetize the record/playback head with a head demagne-
tizer.
2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the
3. After the adjustments, apply suitable locking compound to the
parts adjust.
TEST TAPE
Tape
Signal
Used for
P-4-A063
6.3 kHz, -10 dB
Azimuth Adjustment
RECORD/PLAYBACK HEAD AZIMUTH ADJUSTMENT
Note: Perform this adjustments for both decks.
Procedure:
1. Mode: Playback
1. Mode: Playback
set
MAIN board
VIDEO/SAT OUT
jack (J101)
VIDEO/SAT OUT
jack (J101)
+
–
level meter
test tape
P-4-A063
(6.3 kHz, –10 dB)
P-4-A063
(6.3 kHz, –10 dB)
2. Turn the adjustment screw and check output peaks. If the peaks
do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1dB of peak.
so that outputs match within 1dB of peak.
Screw
position
L-CH
peak
within
1dB
Output
level
L-CH
peak
R-CH
peak
within
1dB
Screw
position
R-CH
peak
DECK SECTION
0 dB = 0.775V
3. Mode: Playback
set
test tape
P-4-A063
(6.3 kHz, –10 dB)
oscilloscope
V
H
waveform of oscilloscope
in phase 45o
90o 135o 180o
good
wrong
MAIN board
VIDEO/SAT OUT
jack (J101)
VIDEO/SAT OUT
jack (J101)
4. After the adjustments, apply suitable locking compound to the
pats adjusted.
Adjustment Location: Record/Playback/Erase Head
Note: Lid (cassette) of front panel to detach.
reverse
forward
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